Lenovo 423352U Manuals

Manuals and User Guides for Lenovo 423352U. We have 1 Lenovo 423352U manual available for free PDF download: Hardware Maintenance Manual

Lenovo 423352U Hardware Maintenance Manual

Lenovo 423352U Hardware Maintenance Manual (124 pages)

Lenovo Computer Hardware User Manual

Brand: Lenovo | Category: Laptop | Size: 4.37 MB

Table of Contents

Table of Contents
5
About this Manual

7
Safety Information

9
Important Service Information

25
General Checkout

31
- What to Do First
  32
- Checkout Guide
  33
  - Diagnostics Using PC-Doctor for DOS
    34
  - PC-Doctor for Windows
    36
- Power System Checkout
  37
Related Service Information

39
- Restoring the Factory Contents by Using Product Recovery Discs
  39
- Passwords
  40
  - Power-On Password
    40
  - Hard-Disk Password
    40
  - Supervisor Password
    41
  - How to Remove the Hard-Disk Password
    41
- Power Management
  42
  - Screen Blank Mode
    42
  - Sleep (Standby) Mode
    42
  - Hibernation Mode
    43
- Symptom-To-FRU Index
  44
  - Numeric Error Codes
    44
  - Error Messages
    46
  - Beep Symptoms
    47
  - No-Beep Symptoms
    47
  - LCD-Related Symptoms
    48
  - Intermittent Problems
    49
  - Undetermined Problems
    49
  - Copyright Lenovo
    51
Lenovo 3000 N500

51
- Specifications
  51
- Status Indicators
  53
- FRU Tests
  55
- Fn Key Combinations
  56
- FRU Replacement Notices
  57
  - Screw Notices
    57
  - Retaining Serial Numbers
    58
- Removing and Replacing a FRU
  61
  - 1010 Battery Pack
    62
  - 1020 Dummy Cards
    63
  - 1030 Hard Disk Drive (HDD) Slot Cover and HDD
    64
  - 1040 Optical Drive
    66
  - 1050 Thermal Slot Cover
    67
  - 1060 DIMM
    68
  - 1070 Fan Assembly
    69
  - 1080 Heat Sink Assembly
    71
  - 1090 Wireless LAN Card Slot Cover and PCI Express Mini Card for Wireless LAN
    73
  - 1100 Cpu
    75
  - 1110 Keyboard Cover and Power Board
    76
- 1120 Bluetooth Daughter Card (BDC-2.1)
  
  78
  - 1130 Keyboard
    79
  - 1140 LCD Unit
    81
  - 1150 Keyboard Bezel and LED Board L
    84
  - 1160 LED Board R
    87
  - 1170 System Board and Expresscard Slot Assembly
    88
  - 1180 Speakers and Base Cover
    92
  - 2010 LCD Front Bezel
    94
  - 2020 Inverter Card
    95
  - 2030 Integrated Camera
    96
  - 2040 LCD Panel, LCD Cable, and Hinges
    97
  - 2050 Antenna Assembly and LCD Cover
    100
  - Locations
    101
    
    Front View
    101
    
    Rear View
    103
    
    Bottom View
    103
  - Parts List
    104
    
    Overall
    105
    
    LCD Frus
    109
    
    Keyboard
    111
    
    Miscellaneous Parts
    112
    
    AC Adapters
    113
    
    Power Cords
    114
    
    Recovery Discs
    115
    
    Common Service Tools
    119
Notices

121
- Trademarks
  122

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